Meaning

1. well!, so!; used to introduce a statement
2. oh, hm, huh, och, nu; expressing a (usually mild) degree of surprise, doubt, or frustration
3. huh?; used as a question marker, often implying that the speaker knows the answer
4. hey!, hi!; used as a greeting, but with an interrogative intonation, as if saying “So? You see me there?”, or “So? How is everything?”